# SDR CA991027047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Snias AS350B
- Engine: Tmeca ARRIEL1B
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Spider
- Part number: 350A33200403
- Condition: Failed
- Location: Tail Rotor
- Part time: 5,274 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991027047

## Discrepancy

(CAN) T/R SPIDER ASSY BEARING FAILED THE ROTATIONAL DRAG TORQUE TEST (SB 05.00.29). THE BEARING WAS ALSO ROUGH WHEN ROTATED.

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